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~~C-\,p DEPAR~NT OF NATURAL RESOURCES • III'IIIIIIIIIIII III ..a~A ~\9Q D Mume Pisi oe E.xmwP Di:rcWr 999 /I~ MINED LAND DECLAMATION DIVISION ~~~„ , .~. *, DAVID C. SHELTON Director / r ~. .;na n] D Lamm i.o.emor Mr. Frank M. Graham, Jr. Western Paving Construction Company 1400 West 64th Avenue P.O. Box 21649 Denver, Colorado 80221 ~~, i ~,` Dear M1r.,~s-a-r,'-~m: February 17, 1982 .~i i' • r ~ .Ja~..,uet Re: Broderick & Gibbons - "Fountain Pit", Our File No. 81-307 i have reviewed the responses to my adequacy letter of January 13, 1982, and have a few more points of clarification. Z should also mention that Z still need the proofs of publication and notification of adjacent landowners. I will use my same exhibit letter and question number designations as in my letter of January 13th. Exhibit C 2. The new phases you have described on the new mining plan map seem more realistic, considering the nature of the gravel deposit. Considering this fact and the large size of the phases outlined, two points should be made very clear: 1) At any given time, no more than 60 acres t30 acres moderate and 30 acres major) will be allowed to be disturbed under the terms of the permit. This means that large areas of the phase must remain totally undisturbed or the operator will be in violation. 2) The operator must remain within the phase for which he is bonded and cannot follow the gravel deposit outside of that phase, even if the disturbance is still within the permitted acreage. Any change in phasing will require a revision to the permit. In general, my concern is that this type of somewhat diffuse disturbance description mayae difficult For the operator to maintain in the field. !lowever, keeping the factors mentioned above in mind, Z feel that the sequence of disturt~ance that you have described will be satisfactory. 3. Roads within the stages will be considered moderate disturbance on the affected land and will be bonded as such. This should figure in when bond (and disturbance) calculations are done. I presume that, since the operator will use the existing access road along the utilities corridor, that permission to use this corridor has been secured. In this regard, how much improvement is to be done to this toad? 4. The operator should commit, in a general way, to using sediment control methods, as necessary, to protect drainages during mining and reclamation. Preciselocations of structures will not need to be shown, however. Exhibits E and F 4. I need further clarification as to the use of sediment and drainage control structures as a part of ongoing and final reclamation. Ate such structures to 423 Centennial Building, 1313 Sherman Street Denver. Colorado 80203 Tel. (303) 866-3567